May weather in Meridian, ID
The average temperature in Meridian in May is 59.9°F (47.5°F–72.3°F). Average precipitation: 1.45 inches.
May is a spring month in Meridian, and is warmer than the annual average of 53.2°F. Daily temperatures swing about 24.8°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 14h 31m. For travel, May is a comfortable month to visit.
Avg High
72.3°F
Avg Low
47.5°F
Precipitation
1.45 in
Daylight
14h 31m
May records in Meridian
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 88.0°F (1985) | 27.0°F (1954) | 1.00 in (1950) |
| May 2 | 91.0°F (1947) | 23.0°F (1988) | 0.63 in (2009) |
| May 3 | 90.0°F (1966) | 28.0°F (1959) | 0.46 in (1984) |
| May 4 | 93.0°F (1966) | 26.1°F (1982) | 0.62 in (2003) |
| May 5 | 93.9°F (1966) | 21.9°F (1982) | 0.88 in (2005) |
| May 6 | 95.0°F (1947) | 27.0°F (1964) | 0.57 in (1995) |
| May 7 | 93.0°F (1987) | 26.1°F (1981) | 0.51 in (1960) |
| May 8 | 93.9°F (1987) | 28.0°F (2002) | 0.74 in (1979) |
| May 9 | 88.0°F (2025) | 28.9°F (1999) | 0.45 in (2005) |
| May 10 | 91.9°F (1940) | 27.0°F (1999) | 0.44 in (1998) |
| May 11 | 93.0°F (1941) | 27.0°F (1943) | 0.74 in (1958) |
| May 12 | 93.9°F (1993) | 24.1°F (1985) | 0.74 in (1958) |
| May 13 | 95.0°F (2013) | 26.1°F (1974) | 0.51 in (2018) |
| May 14 | 91.0°F (1975) | 28.0°F (1986) | 0.44 in (1996) |
| May 15 | 93.0°F (2006) | 28.0°F (1990) | 0.53 in (1959) |
| May 16 | 93.9°F (2006) | 28.0°F (1974) | 0.81 in (2005) |
| May 17 | 93.9°F (2008) | 30.0°F (1942) | 0.64 in (1991) |
| May 18 | 95.0°F (2009) | 30.0°F (1971) | 0.75 in (1957) |
| May 19 | 90.0°F (1954) | 28.0°F (1960) | 0.65 in (1953) |
| May 20 | 93.9°F (1958) | 33.1°F (1971) | 0.80 in (2020) |
| May 21 | 91.0°F (2023) | 33.1°F (1960) | 0.80 in (1998) |
| May 22 | 93.0°F (1988) | 28.0°F (1960) | 1.41 in (2010) |
| May 23 | 95.0°F (2001) | 32.0°F (1944) | 1.13 in (1942) |
| May 24 | 97.0°F (2001) | 33.1°F (1975) | 1.09 in (1962) |
| May 25 | 96.1°F (1961) | 30.0°F (1975) | 0.72 in (1980) |
| May 26 | 98.1°F (1966) | 33.1°F (1973) | 0.97 in (1998) |
| May 27 | 93.9°F (1983) | 32.0°F (1991) | 1.03 in (1964) |
| May 28 | 99.0°F (2003) | 34.0°F (1982) | 0.83 in (2019) |
| May 29 | 95.0°F (1986) | 32.0°F (1976) | 1.77 in (1990) |
| May 30 | 98.1°F (1986) | 33.1°F (1979) | 0.49 in (2019) |
| May 31 | 100.0°F (2025) | 32.0°F (1955) | 0.67 in (1954) |